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The artist tried stimulate interest in painting by taking his students to the museums

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In the early days of jet development, engines used great numbers of fuel.

Most people will be aware that   a happy, loving family    is a joy to be part of, and that it is a necessary __________ for building a strong society.

Before I started the car, all of the passengers __________ their seat belts.

Cancers and AIDS, which are ‘_______________ now, will be cured successfully.

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Although the social sciences different a great from one another they share a common interest in human relationships.

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Rice, which it still forms staple diet of much of the world’s population, grows best in hot, wet land

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If the water level has raised a little higher, the dam would probably have broken

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Public health experts say the moneyavoiding illness is less than the cost to be sick

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The medical science began with the Greek Hippocrates, who earned for himself title of father of Medicine

There is a growing tendency among singers to _____ some famous singers.

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In just three months H.G. Wells wrote famous classic The Time Machine for what he won a Newberry Caldecot Award.

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The average salt content of seawater is more than three percents

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Often a headache is caused by contraction of one of muscle group that cover the skull, thus causing spasm and pain

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There was a very interesting news on the radio this morning about earthquake in Italy.

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They were all shock at his failure in the competition.

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Economists have tried to discourage (the use (of the phrase “underdeveloped nation” and encouraging the more accurate phrase in order to suggest an ongoing process.

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On February 20th, 1962, “Friendship 7” orbiting the Earth in manned flight that lasted just under five hours

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Our nervous system has over ten billions nerve cells in a network covering every cm of our skin and organs

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Both  Mr. and Mrs. Smith are explaining the children the rules of the game .

I was in two________ about taking the flat because it is very good but the rent was rather high.